@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:106%; height:105%; margin-left:-2%;  }
	#floor { width:105%; margin-top:-15.3%; margin-left:18.7%; }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { width:85%; margin-top:-15.3%; margin-left:20.7%; }
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:97%; margin-top:-15.3%; margin-left:20.7%; }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:91%; margin-top:-15.3%; margin-left:20.7%; }
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%;  margin-left:-2%; }
   #floor { width:97%; margin-top:-15.3%; margin-left:20.7%; }
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:85%; margin-top:-15.3%; margin-left:20.7%; }
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:96%;  margin-left:-2%; }
	#floor { width:97%; margin-top:-15.3%; margin-left:20.7%; transform: perspective(1500px) rotateX(43deg) rotateY(0deg) rotateZ(37deg) skewX(-7deg) skewY(-2deg);}
}